Messages in this thread Patch in this message | | | From | Arve Hjønnevåg <> | Subject | [PATCH 2/8] ARM: etm: Don't limit tracing to only non-secure code. | Date | Mon, 14 Feb 2011 22:11:10 -0800 |
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On some systems kernel code is considered secure, and this code already limits tracing to the kernel text segment which results in no trace data.
Signed-off-by: Arve Hjønnevåg <arve@android.com> --- arch/arm/kernel/etm.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/arch/arm/kernel/etm.c b/arch/arm/kernel/etm.c index d4ec368..6e15c48 100644 --- a/arch/arm/kernel/etm.c +++ b/arch/arm/kernel/etm.c @@ -55,7 +55,7 @@ static inline bool trace_isrunning(struct tracectx *t) static int etm_setup_address_range(struct tracectx *t, int n, unsigned long start, unsigned long end, int exclude, int data) { - u32 flags = ETMAAT_ARM | ETMAAT_IGNCONTEXTID | ETMAAT_NSONLY | \ + u32 flags = ETMAAT_ARM | ETMAAT_IGNCONTEXTID | ETMAAT_IGNSECURITY | ETMAAT_NOVALCMP; if (n < 1 || n > t->ncmppairs) -- 1.7.3.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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